diff --git a/composer.json b/composer.json
index 06cdf81..e8efd7a 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "symfony/console": "~3.4 || ~4.1 || ~5.0 || ~6.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~6.0 || ~7.0 || ~9.0"
+        "phpunit/phpunit": "~12.0"
     },
     "autoload": {
         "psr-4": {